package com.library.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import org.json.JSONObject;

@WebServlet("/logout")
public class LogoutServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) 
            throws ServletException, IOException {
        HttpSession session = request.getSession(false);
        JSONObject jsonResponse = new JSONObject();
        
        if (session != null) {
            session.invalidate();
            jsonResponse.put("success", true);
        } else {
            jsonResponse.put("success", false);
        }
        
        response.setContentType("application/json");
        response.setCharacterEncoding("UTF-8");
        response.getWriter().write(jsonResponse.toString());
    }
} 